package com.lagou.client;

import com.lagou.util.RpcResponse;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.concurrent.EventExecutorGroup;

import java.util.concurrent.Callable;

public class UserClientHandler extends ChannelInboundHandlerAdapter implements Callable {
    private ChannelHandlerContext context;
    private String result;
    //private String para;
    private Object para;
    @Override
    public void channelActive(ChannelHandlerContext ctx) {
        context = ctx;
    }
    /**
     * 收到服务端数据，唤醒等待线程
     */
    @Override
    public synchronized void channelRead(ChannelHandlerContext ctx, Object msg) {
        //result = msg.toString();
        RpcResponse rpcResponse =(RpcResponse)msg;
        result =rpcResponse.getMsg();
        notify();
    }
    /**
     * 写出数据，开始等待唤醒
     */

    public synchronized Object call() throws InterruptedException {
        context.writeAndFlush(para);
        wait();
        return result;
    }

    //设置参数
//    void setPara(String para) {
//        this.para = para;
//    }
    void setPara(Object para) {
        this.para = para;
    }
}
